Mindy Kaling

Emmy-Nominated Writer, Producer, New York Times Best-Selling Author, Director & Actor

Eric Holder

82nd Attorney General of the United States (2009-2015); Partner, Covington & Burling LLP

Erin Andrews

Fox Sports Correspondent & Former Co-Host of "Dancing with the Stars"

Erin Andrews Says You Have To Have A 'Thick Skin' In Male-Dominated Career

Cesar Millan

Host of The Dog Whisperer; Author of Cesar's Way

Tim Tebow

ESPN College Football Analyst; Heisman Trophy Winner; Former Quarterback for NFL's Denver Broncos & Baseball Outfielder for the New York Mets

Mission Possible: Go Create a Life That Counts

John Green

New York Times Bestselling Author, Known for "The Fault in Our Stars," "Looking for Alaska" & "Paper Towns"

Alice Walker

Pulitzer Prize & National Book Award-Winning Author; Best Known for "The Color Purple"

Kevin Systrom

Co-Founder & Former CEO of Instagram

Alfre Woodard

Emmy Award-Winning Actress; Human Rights Activist

Ty Burrell

Actor and Activist; Plays Phil Dunphy on ABC's hit show "Modern Family"

Donna Karan

Award-Winning Fashion Designer

Drew Houston

Co-Founder & CEO of Dropbox

How a Billionaire CEO Learns | Drew Houston

Mandy Patinkin

Actor Best Known for "Homeland," "Criminal Minds" and "The Princess Bride"

Dick Costolo

Former CEO of Twitter and Co-Founder of Feedburner

Gayle King

Co-Host of "CBS This Morning" & Editor-At-Large of O, The Oprah Magazine

Angela Ahrendts

Former SVP of Retail at Apple & Former CEO of Burberry

Leading From the Heart with Angela Ahrendts - YouTube

Jamie Oliver

Celebrity Chef, Bestselling Author & TV Personality

Jamie Oliver Is Still Battling to Beat Childhood Obesity

Craig Newmark

Founder of Craigslist; Internet Entrepreneur; Leader in Social Networks

Tamron Hall

Award-Winning Journalist; Former National News Anchor for NBC News; Host of the "Tamron Hall Show"

Nicholas Sparks

International Bestselling Novelist & Screenwriter, Known for "The Notebook"